Feed it cash, get your very own gold bar.

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.

One of the largest sand dunes in the world is nicknamed the "Scary Mountain" due to its steep slope and sharp incline.

This artificial archipelago was supposed to resemble a map of the world.

This indoor ski resort has a mountain contained inside a mall.

Planned as the world’s first zero-carbon city, it had lofty ideals—but is only 5 percent completed and aiming for 50 percent carbon-neutral.

This mysterious cliffside carving of an ancient Hittite deity has baffled scholars for centuries.

This shuttered power plant is now Turkey's first industrial archaeology museum.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

A fountain standing as a testament to a doomed alliance.

Step back in time and witness the fall of Constantinople.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A meow-velous tribute to a beloved street cat, made famous on the internet.

A deadly ancient portal to the underworld.

A marvel of Byzantine engineering under the streets of Istanbul.

Roman ruins top white travertine terraces formed by ancient hot springs.

Ruins of the Crusaders' headquarters.

3D war panorama in Damascus built with help from North Korea.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

Site where Moses may have received the Ten Commandments.

This unique museum doesn't shy away from highlighting Qatar's role in the history of slavery.

Robot jockeys ride their humped mounts to victory as part of a 21st-century twist on an ancient desert sport.